728709120

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{7907}}^1$

素因数の和:7940

約数の個数: 144

約数和(自身を含む): 2525894280

約数和(自身を除く): 1797185160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 6144, 7680, 7907, 9216, 10240, 11520, 15360, 15814, 18432, 23040, 23721, 30720, 31628, 39535, 46080, 47442, 63256, 71163, 79070, 92160, 94884, 118605, 126512, 142326, 158140, 189768, 237210, 253024, 284652, 316280, 355815, 379536, 474420, 506048, 569304, 632560, 711630, 759072, 948840, 1012096, 1138608, 1265120, 1423260, 1518144, 1897680, 2024192, 2277216, 2530240, 2846520, 3036288, 3795360, 4048384, 4554432, 5060480, 5693040, 6072576, 7590720, 8096768, 9108864, 10120960, 11386080, 12145152, 15181440, 16193536, 18217728, 20241920, 22772160, 24290304, 30362880, 36435456, 40483840, 45544320, 48580608, 60725760, 72870912, 80967680, 91088640, 121451520, 145741824, 182177280, 242903040, 364354560, 728709120]

約数ペア:

[(1, 728709120), (2, 364354560), (3, 242903040), (4, 182177280), (5, 145741824), (6, 121451520), (8, 91088640), (9, 80967680), (10, 72870912), (12, 60725760), (15, 48580608), (16, 45544320), (18, 40483840), (20, 36435456), (24, 30362880), (30, 24290304), (32, 22772160), (36, 20241920), (40, 18217728), (45, 16193536), (48, 15181440), (60, 12145152), (64, 11386080), (72, 10120960), (80, 9108864), (90, 8096768), (96, 7590720), (120, 6072576), (128, 5693040), (144, 5060480), (160, 4554432), (180, 4048384), (192, 3795360), (240, 3036288), (256, 2846520), (288, 2530240), (320, 2277216), (360, 2024192), (384, 1897680), (480, 1518144), (512, 1423260), (576, 1265120), (640, 1138608), (720, 1012096), (768, 948840), (960, 759072), (1024, 711630), (1152, 632560), (1280, 569304), (1440, 506048), (1536, 474420), (1920, 379536), (2048, 355815), (2304, 316280), (2560, 284652), (2880, 253024), (3072, 237210), (3840, 189768), (4608, 158140), (5120, 142326), (5760, 126512), (6144, 118605), (7680, 94884), (7907, 92160), (9216, 79070), (10240, 71163), (11520, 63256), (15360, 47442), (15814, 46080), (18432, 39535), (23040, 31628), (23721, 30720)]